CN207715729U - Halting mechanism - Google Patents
Halting mechanism Download PDFInfo
- Publication number
- CN207715729U CN207715729U CN201721824290.7U CN201721824290U CN207715729U CN 207715729 U CN207715729 U CN 207715729U CN 201721824290 U CN201721824290 U CN 201721824290U CN 207715729 U CN207715729 U CN 207715729U
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- CN
- China
- Prior art keywords
- shift
- sectional wheel
- axle sleeve
- spring
- park pawl
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Abstract
The utility model discloses a kind of halting mechanism, and the output end of electronic type parking lock actuator is installed with shift sectional wheel, and the shift sectional wheel can be driven to rotate, and sectional wheel limiting plate of shifting gears is to shift sectional wheel limit；Shift sectional wheel is fixed with push rod one end, the endoporus clearance fit of the push rod other end and axle sleeve, and locking nut and spring are set on push rod, and the spring clip is between axle sleeve and locking nut；The one end of axle sleeve far from spring is circular conical surface；Tooth form in the middle part of park pawl can be engaged with parking lock gear, and the upper end of park pawl is hinged with axis pin, the second torsional spring is set on axis pin, the tooth form in the middle part of the second torsional spring park pawl is tightly engaged with parking lock gear.The utility model is by the switching of electronically parking locking and parking unlocked state simultaneously, and the utility model is simple in structure, and compact, parking is accurately reliable, overcomes the defect of the prior art well.
Description
Technical field
The utility model belongs to machinery field more particularly to a kind of halting mechanism.
Background technology
Halting mechanism is a kind of key safety device of automobile gearbox, mainly makees the guarantee there is provided safety.
Existing halting mechanism uses fully mechanical structure, and control accuracy is poor, and reliability is not high, and complicated, not compact.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of parkings that control is reliable, simple in structure, compact
Mechanism.
The technical solution of the utility model is as follows：A kind of halting mechanism, it is characterised in that：It is executed including electronic type parking lock
The output end of device (1) and park pawl (10), wherein electronic type parking lock actuator (1) is installed with shift sectional wheel (2), and energy
The shift sectional wheel is driven to rotate, and sectional wheel limiting plate (3) of shifting gears limits shift sectional wheel (2)；The shift sectional wheel
(2) it is fixed with push rod (4) one end, the endoporus clearance fit of the push rod other end and axle sleeve (5), and lock is set on push rod (4)
Tight nut (6) and spring (7), the spring clip is between axle sleeve (5) and locking nut (6)；The axle sleeve (5) is far from spring (7)
One end be circular conical surface (5a), the unilateral taper of the circular conical surface is 34.5 ° -35.5 °, the small head end and positioning sleeve of this circular cone circle
(8) periphery is on the same cylindrical surface；The one end of the positioning sleeve (8) far from axle sleeve (5) passes through the mistake of limiting plate (9)
Hole, positioning sleeve top are equipped with a positioning roller (100), and the positioning roller is vertical with positioning sleeve (8), and positioning roller
(100) annular groove on limits the periphery of positioning sleeve (8) and the circular conical surface (5a) of axle sleeve (5)；The park pawl
(10) lower section is equipped with the first torsional spring (11), which makes the top surface of park pawl (10) lower end and the positioning sleeve
(8) circular conical surface (5a) of periphery or axle sleeve (5) contacts；Tooth form in the middle part of the park pawl (10) can be with parking lock gear
(12) it engages, the upper end of park pawl (10) is hinged with axis pin (13), and the second torsional spring (14) is set on axis pin, second torsion
Tooth form in the middle part of spring (14) park pawl (10) is tightly engaged with parking lock gear (12).
When parking locking state, electronic type parking lock actuator will be changed when receiving parking locking execution command signal
Sectional wheel rotation is kept off, and the turned position of shift sectional wheel, the shift fan of rotation are limited by shifting gears sectional wheel limiting plate (3)
Shape wheel drives push rod to move ahead simultaneously, and positioning roller will limit the periphery of positioning sleeve (8) and the circular conical surface (5a) of axle sleeve (5),
Beat is prevented when ensureing that push rod moves ahead by limiting plate (9)；Push rod (4) will push the tooth form in the middle part of park pawl and parking simultaneously
Gear (10) is locked to engage；When park pawl cannot be engaged with parking lock gear, push the spring generates elastic buffer to push rod forward,
To push park pawl by circular conical surface (5a), the tooth form in the middle part of park pawl is made to be engaged with parking lock gear (10), you can
Realize parking locking state.
When parking unlocked state, electronic type parking lock actuator is when being connected to parking unlock execution command signal, shift fan
Shape wheel rotates negative direction, and by shift gears sectional wheel limiting plate (3) come limit shift sectional wheel turned position, push rod with
Shift sectional wheel negative direction is rotated and is retracted, and is disengaged with pawl (8), and the first torsional spring and the second torsional spring act on simultaneously, make parking
Pawl rebounds setting position origin, and park pawl is pushed to be separated with the disengaging of parking lock gear, i.e. realization parking unlocked state.
Using above technical scheme, the utility model is by the way that electronically parking locking and parking unlocked state are cut simultaneously
It changes, and the utility model is simple in structure, compact, parking is accurately reliable, overcomes the defect of the prior art well.
Preferably, the unilateral taper of the circular conical surface (5a) is 35 °.
Advantageous effect：The utility model by electronically simultaneously parking locking and parking unlocked state switching, and
Utility model is simple in structure, compact, and parking is accurately reliable, overcomes the defect of the prior art well.
Description of the drawings
Fig. 1 is the axonometric drawing of the utility model.
Fig. 2 is the front view of the utility model.
Fig. 3 is the vertical view of Fig. 2.
Specific implementation mode
The utility model is described in further detail with reference to the accompanying drawings and examples：
As shown in Figure 1, 2, 3, a kind of halting mechanism, including electronic type parking lock actuator 1 and park pawl 10, wherein
The output end of electronic type parking lock actuator 1 is installed with shift sectional wheel 2, and the shift sectional wheel can be driven to rotate, and shifts gears
Sectional wheel limiting plate 3 limits shift sectional wheel 2.Shift sectional wheel 2 is fixed with 4 one end of push rod, the push rod other end and axle sleeve 5
Endoporus clearance fit, and locking nut 6 and spring 7 are set on push rod 4, the spring clip axle sleeve 5 and locking nut 6 it
Between.The one end of axle sleeve 5 far from spring 7 is circular conical surface 5a, and the unilateral taper of the circular conical surface is 34.5 ° -35.5 °, this circular cone circle
Small head end and positioning sleeve 8 periphery on the same cylindrical surface.The unilateral taper of circular conical surface 5a is 35 °.
The one end of positioning sleeve 8 far from axle sleeve 5 passes through the via of limiting plate 9, and a positioning roller is equipped with above the positioning sleeve
100, the positioning roller is vertical with positioning sleeve 8, and the annular groove on positioning roller 100 is to the periphery and axle sleeve 5 of positioning sleeve 8
Circular conical surface 5a limit.10 lower section of park pawl is equipped with the first torsional spring 11, which makes the top of 10 lower end of park pawl
Face is contacted with the circular conical surface 5a of 8 periphery of positioning sleeve or axle sleeve 5；The tooth form at 10 middle part of park pawl can be with parking lock gear 12
The upper end of engagement, park pawl 10 is hinged with axis pin 13, the second torsional spring 14 is set on axis pin, the 14 parking spine of the second torsional spring
The tooth form at 10 middle part of pawl is tightly engaged with parking lock gear 12.
The above is only the preferred embodiment of the utility model only, is not limitation with the utility model, all at this
All any modification, equivalent and improvement etc., should be included in the utility model made by within the spirit and principle of utility model
Protection domain within.
Claims (2)
1. a kind of halting mechanism, it is characterised in that：Including electronic type parking lock actuator (1) and park pawl (10), wherein electricity
The output end of minor parking lock actuator (1) is installed with shift sectional wheel (2), and the shift sectional wheel can be driven to rotate, and changes
Sectional wheel limiting plate (3) is kept off to limit shift sectional wheel (2)；The shift sectional wheel (2) is fixed with push rod (4) one end, this is pushed away
The endoporus clearance fit of the bar other end and axle sleeve (5), and locking nut (6) and spring (7), the spring are set on push rod (4)
It is clipped between axle sleeve (5) and locking nut (6)；The one end of the axle sleeve (5) far from spring (7) is circular conical surface (5a), the circular cone
The unilateral taper in face is 34.5 ° -35.5 °, and the small head end of this circular cone circle is with the periphery of positioning sleeve (8) on the same cylindrical surface
On；The one end of the positioning sleeve (8) far from axle sleeve (5) passes through the via of limiting plate (9), and a positioning is equipped with above the positioning sleeve
Roller (100), the positioning roller is vertical with positioning sleeve (8), and the annular groove on positioning roller (100) is to positioning sleeve (8)
The circular conical surface (5a) of periphery and axle sleeve (5) limits；The first torsional spring (11) is equipped with below the park pawl (10), first torsion
Spring (11) makes the top surface of park pawl (10) lower end be contacted with the circular conical surface (5a) of the positioning sleeve (8) periphery or axle sleeve (5)；
Tooth form in the middle part of the park pawl (10) can be engaged with parking lock gear (12), the upper end of park pawl (10) and axis pin
(13) hinged, the second torsional spring (14) is set on axis pin, the tooth form in the middle part of the second torsional spring (14) park pawl (10) with stay
Lock gear (12) tightly engages.
2. halting mechanism according to claim 1, it is characterised in that：The unilateral taper of the circular conical surface (5a) is 35 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721824290.7U CN207715729U (en) | 2017-12-22 | 2017-12-22 | Halting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721824290.7U CN207715729U (en) | 2017-12-22 | 2017-12-22 | Halting mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207715729U true CN207715729U (en) | 2018-08-10 |
Family
ID=63049412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721824290.7U Active CN207715729U (en) | 2017-12-22 | 2017-12-22 | Halting mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207715729U (en) |
-
2017
- 2017-12-22 CN CN201721824290.7U patent/CN207715729U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 402760 No.100, Jianshan Road, Biquan street, Bishan District, Chongqing Patentee after: Landai Technology Group Co.,Ltd. Address before: 402760 No.100, Jianshan Road, Biquan street, Bishan District, Chongqing Patentee before: CHONGQING LANDAI POWERTRAIN Corp.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |